Travel mug



FIG. 1 is a front top right perspective view of the travel mug;

FIG. 2 is a front plan view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof:

FIG. 6 is a top plan view thereof; and,

FIG. 7 is bottom plan view thereof. 

The ornamental design for a travel mug, as shown. 